Although you want to be careful not to eat more than you need for a healthy pregnancy, make sure not to restrict your diet during pregnancy either. If you don't get the calories you need, your baby might not get the right amounts of protein, vitamins, and minerals.

Health Tips For Pregnant Women

Staying healthy and safe

Eat this. Don't eat that. Do this. Don't do that. Pregnant women are bombarded with do's and don'ts. Here is help to keep it all straight.

Eating for two

Eating healthy foods is more important now than ever! You need more protein, iron, calcium, and folic acid than you did before pregnancy. You also need more calories. But "eating for two" doesn't mean eating twice as much. Rather, it means that the foods you eat are the main source of nutrients for your baby. Sensible, balanced meals combined with regular physical fitness is still the best recipe for good health during your pregnancy.

Weight gain

The amount of weight you should gain during pregnancy depends on your body mass index (BMI) before you became pregnant. The Institute of Medicine provides these guidelines:

  • If you were at a normal weight before pregnancy, you should gain about 25 to 30 pounds.
  • If you were underweight before pregnancy, you should gain between 28 and 40 pounds.
  • If you were overweight before pregnancy, you should gain between 15 and 25 pounds.
  • If you were obese before pregnancy, you should gain between 11 and 20 pounds.

Check with your doctor to find out how much weight gain during pregnancy is healthy for you.

You should gain weight gradually during your pregnancy, with most of the weight gained in the last trimester. Generally, doctors suggest women gain weight at the following rate:

  • 2 to 4 pounds total during the first trimester
  • 3 to 4 pounds per month for the second and third trimesters

Recent research shows that women who gain more than the recommended amount during pregnancy and who fail to lose this weight within six months after giving birth are at much higher risk of being obese nearly 10 years later. Findings from another large study suggest that gaining more weight than the recommended amount during pregnancy may raise your child's odds of being overweight in the future. If you find that you are gaining weight too quickly, try to cut back on foods with added sugars and solid fats. If you are not gaining enough weight, you can eat a little more from each food group.

Where does the added weight go?

  • Baby – 6 to 8 pounds
  • Placenta – 1½ pounds
  • Amniotic fluid – 2 pounds
  • Uterus growth – 2 pounds
  • Breast growth – 2 pounds
  • Your blood and body fluids – 8 pounds
  • Your body's protein and fat – 7 pounds

Calorie needs

Your calorie needs will depend on your weight gain goals. Most women need 300 calories a day more during at least the last six months of pregnancy than they do pre-pregnancy. Keep in mind that not all calories are equal. Your baby needs healthy foods that are packed with nutrients — not "empty calories" such as those found in soft drinks, candies, and desserts.

Although you want to be careful not to eat more than you need for a healthy pregnancy, make sure not to restrict your diet during pregnancy either. If you don't get the calories you need, your baby might not get the right amounts of protein, vitamins, and minerals. Low-calorie diets can break down a pregnant woman's stored fat. This can cause your body to make substances called ketones. Ketones can be found in the mother's blood and urine and are a sign of starvation. Constant production of ketones can result in a child with mental deficiencies.

Foods good for mom and baby

A pregnant woman needs more of many important vitamins, minerals, and nutrients than she did before pregnancy. Making healthy food choices every day will help you give your baby what he or she needs to develop. ChooseMyPlate for pregnant and breastfeeding women can show you what to eat as well as how much you need to eat from each food group based on your height, weight, and activity level.

Talk to your doctor if you have special diet needs for these reasons:

  • Diabetes – Make sure you review your meal plan and insulin needs with your doctor. High blood glucose levels can be harmful to your baby.
  • Lactose intolerance – Find out about low-lactose or reduced-lactose products and calcium supplements to ensure you are getting the calcium you need.
  • Vegetarian – Ensure that you are eating enough protein, iron, vitamin B12, and vitamin D.
  • PKU – Keep good control of phenylalanine (FEN-uhl-AL-uh-NEEN) levels in your diet.

Food safety

Most foods are safe for pregnant women and their babies. But you will need to use caution or avoid eating certain foods. Follow these guidelines:

Clean, handle, cook, and chill food properly to prevent foodborne illness, including listeria and toxoplasmosis.

  • Wash hands with soap after touching soil or raw meat.
  • Keep raw meats, poultry, and seafood from touching other foods or surfaces.
  • Cook meat completely.
  • Wash produce before eating.
  • Wash cooking utensils with hot, soapy water.

Do not eat:

  • Refrigerated smoked seafood like whitefish, salmon, and mackerel
  • Hot dogs or deli meats unless steaming hot
  • Refrigerated meat spreads
  • Unpasteurized milk or juices
  • Store-made salads, such as chicken, egg, or tuna salad
  • Unpasteurized soft cheeses, such as unpasteurized feta, Brie, queso blanco, queso fresco, and blue cheeses
  • Shark, swordfish, king mackerel, or tile fish (also called golden or white snapper); these fish have high levels of mercury.
  • More than 6 ounces per week of white (albacore) tuna
  • Herbs and plants used as medicines without your doctor's okay. The safety of herbal and plant therapies isn't always known. Some herbs and plants might be harmful during pregnancy, such as bitter melon (karela), noni juice, and unripe papaya.
  • Raw sprouts of any kind (including alfalfa, clover, radish, and mung bean)

Fish facts

Fish and shellfish can be an important part of a healthy diet. They are a great source of protein and heart-healthy omega-3 fatty acids. What's more, some researchers believe low fish intake may be linked to depression in women during and after pregnancy. Research also suggests that omega-3 fatty acids consumed by pregnant women may aid in babies' brain and eye development.

Women who are or may become pregnant and nursing mothers need 12 ounces of fish per week to reap the health benefits. Unfortunately, some pregnant and nursing women do not eat any fish because they worry about mercury in seafood. Mercury is a metal that at high levels can harm the brain of your unborn baby — even before it is conceived. Mercury mainly gets into our bodies by eating large, predatory fish. Yet many types of seafood have little or no mercury at all. So the risk of mercury exposure depends on the amount and type of seafood you eat.

Women who are nursing, pregnant, or who may become pregnant can safely eat a variety of cooked seafood, but should steer clear of fish with high levels of mercury. Keep in mind that removing all fish from your diet will rob you of important omega-3 fatty acids. To reach 12 ounces while limiting exposure to mercury, follow these tips:

  • Do not eat these fish that are high in mercury:

    • Swordfish
    • Tilefish
    • King mackerel
    • Shark
  • Eat up to 6 ounces (about 1 serving) per week:
    Canned albacore or chunk white tuna (also sold as tuna steaks), which has more mercury than canned light tuna
  • Eat up to 12 ounces (about 2 servings) per week of cooked* fish and shellfish with little or no mercury, such as:

    • Shrimp
    • Crab
    • Clams
    • Oysters
    • Scallops
    • Canned light tuna
    • Salmon
    • Pollock
    • Catfish
    • Cod
    • Tilapia

    * Don't eat uncooked fish or shellfish (such as clams, oysters, scallops), which includes refrigerated uncooked seafood labeled nova-style, lox, kippered, smoked, or jerky.

  • Check before eating fish caught in local waters. State health departments have guidelines on fish from local waters. Or get local fish advisories at the U.S. Environmental Protection Agency. If you are unsure about the safety of a fish from local waters, only eat 6 ounces per week and don't eat any other fish that week.
  • Eat a variety of cooked seafood rather than just a few types.

Foods supplemented with DHA/EPA (such as “omega-3 eggs”) and prenatal vitamins supplemented with DHA are other sources of the type of omega-3 fatty acids found in seafood.

Vitamins and minerals

In addition to making healthy food choices, ask your doctor about taking a prenatal vitamin and mineral supplement every day to be sure you are getting enough of the nutrients your baby needs. You also can check the label on the foods you buy to see how much of a certain nutrient the product contains. Women who are pregnant need more of these nutrients than women who are not pregnant:

Nutrients and pregnancy

Nutrient How much pregnant women need each day
Folic acid 400 to 800 micrograms (mcg) (0.4 to 0.8 mg) in the early stages of pregnancy, which is why all women who are capable of pregnancy should take 400 to 800 mcg of folic acid daily. Pregnant women should continue taking folic acid throughout pregnancy.
Iron 27 milligrams (mg)
Calcium 1,000 milligrams (mg); 1,300 mg if 18 or younger
Vitamin A 770 micrograms (mcg); 750 mcg if 18 or younger
Vitamin B12 2.6 micrograms (mcg)

Women who are pregnant also need to be sure to get enough vitamin D. The current recommendation for all adults younger than 71 (including pregnant and breastfeeding women) is 600 international units (IU) of vitamin D each day. Talk to your doctor about how you can be sure to get enough vitamin D and other important vitamins and nutrients.

Keep in mind that taking too much of a supplement can be harmful. For example, very high levels of vitamin A can cause birth defects. For this reason, your daily prenatal vitamin should contain no more than 5,000 IU (International Units) of vitamin A. Some supplements contain much more. Only take vitamins and mineral supplements that your doctor recommends.

Don't forget fluids

All of your body's systems need water. When you are pregnant, your body needs even more water to stay hydrated and support the life inside you. Water also helps prevent constipation, hemorrhoids, excessive swelling, and urinary tract or bladder infections. Not getting enough water can lead to premature or early labor.

Your body gets the water it needs through the fluids you drink and the foods you eat. How much fluid you need to drink each day depends on many factors, such as your activity level, the weather, and your size. Your body needs more fluids when it is hot and when you are physically active. It also needs more water if you have a fever or if you are vomiting or have diarrhea.

The Institute of Medicine recommends that pregnant women drink about 10 cups of fluids daily. Water, juices, coffee, tea, and soft drinks all count toward your fluid needs. But keep in mind that some beverages are high in sugar and "empty" calories. A good way to tell if your fluid intake is okay is if your urine is pale yellow or colorless and you rarely feel thirsty. Thirst is a sign that your body is on its way to dehydration. Don't wait until you feel thirsty to drink.

Alcohol

There is no known safe amount of alcohol a woman can drink while pregnant. When you are pregnant and you drink beer, wine, hard liquor, or other alcoholic beverages, alcohol gets into your blood. The alcohol in your blood gets into your baby's body through the umbilical cord. Alcohol can slow down the baby's growth, affect the baby's brain, and cause birth defects.

Find out more about the dangers of drinking alcohol during pregnancy in our section on substance abuse.

Caffeine

Moderate amounts of caffeine appear to be safe during pregnancy. Moderate means less than 200 mg of caffeine per day, which is the amount in about 12 ounces of coffee. Most caffeinated teas and soft drinks have much less caffeine. Some studies have shown a link between higher amounts of caffeine and miscarriage and preterm birth. But there is no solid proof that caffeine causes these problems. The effects of too much caffeine are unclear. Ask your doctor whether drinking a limited amount of caffeine is okay for you.

Cravings

Many women have strong desires for specific foods during pregnancy. The desire for "pickles and ice cream" and other cravings might be caused by changes in nutritional needs during pregnancy. The fetus needs nourishment. And a woman's body absorbs and processes nutrients differently while pregnant. These changes help ensure normal development of the baby and fill the demands of breastfeeding once the baby is born.

Some women crave nonfood items such as clay, ice, laundry starch, or cornstarch. A desire to eat nonfood items is called pica. Eating nonfood items can be harmful to your pregnancy. Talk to your doctor if you have these urges.

Keeping fit

Fitness goes hand in hand with eating right to maintain your physical health and well-being during pregnancy. Pregnant or not, physical fitness helps keep the heart, bones, and mind healthy. Healthy pregnant women should get at least 2 hours and 30 minutes of moderate-intensity aerobic activity a week. It's best to spread your workouts throughout the week. If you regularly engage in vigorous-intensity aerobic activity or high amounts of activity, you can keep up your activity level as long as your health doesn't change and you talk to your doctor about your activity level throughout your pregnancy.

Special benefits of physical activity during pregnancy:

  • Exercise can ease and prevent aches and pains of pregnancy including constipation, varicose veins, backaches, and exhaustion.
  • Active women seem to be better prepared for labor and delivery and recover more quickly.
  • Exercise may lower the risk of preeclampsia and gestational diabetes during pregnancy.
  • Fit women have an easier time getting back to a healthy weight after delivery.
  • Regular exercise may improve sleep during pregnancy.
  • Staying active can protect your emotional health. Pregnant women who exercise seem to have better self-esteem and a lower risk of depression and anxiety.
  • Results from a recent, large study suggest that women who are physically active during pregnancy may lower their chances of preterm delivery.

Getting started

For most healthy moms-to-be who do not have any pregnancy-related problems, exercise is a safe and valuable habit. Even so, talk to your doctor or midwife before exercising during pregnancy. She or he will be able to suggest a fitness plan that is safe for you. Getting a doctor's advice before starting a fitness routine is important for both inactive women and women who exercised before pregnancy.

If you have one of these conditions, your doctor will advise you not to exercise:

  • Risk factors for preterm labor
  • Vaginal bleeding
  • Premature rupture of membranes (when your water breaks early, before labor)

Best activity for moms-to-be

Low-impact activities at a moderate level of effort are comfortable and enjoyable for many pregnant women. Walking, swimming, dancing, cycling, and low-impact aerobics are some examples. These sports also are easy to take up, even if you are new to physical fitness.

Some higher intensity sports are safe for some pregnant women who were already doing them before becoming pregnant. If you jog, play racquet sports, or lift weights, you may continue with your doctor's okay.

Keep these points in mind when choosing a fitness plan:

  • Avoid activities in which you can get hit in the abdomen like kickboxing, soccer, basketball, or ice hockey.
  • Steer clear of activities in which you can fall like horseback riding, downhill skiing, and gymnastics.
  • Do not scuba dive during pregnancy. Scuba diving can create gas bubbles in your baby's blood that can cause many health problems.

Tips for safe and healthy physical activity

Follow these tips for safe and healthy fitness:

  • When you exercise, start slowly, progress gradually, and cool down slowly.
  • You should be able to talk while exercising. If not, you may be overdoing it.
  • Take frequent breaks.
  • Don't exercise on your back after the first trimester. This can put too much pressure on an important vein and limit blood flow to the baby.
  • Avoid jerky, bouncing, and high-impact movements. Connective tissues stretch much more easily during pregnancy. So these types of movements put you at risk of joint injury.
  • Be careful not to lose your balance. As your baby grows, your center of gravity shifts making you more prone to falls. For this reason, activities like jogging, using a bicycle, or playing racquet sports might be riskier as you near the third trimester.
  • Don't exercise at high altitudes (more than 6,000 feet). It can prevent your baby from getting enough oxygen.
  • Make sure you drink lots of fluids before, during, and after exercising.
  • Do not workout in extreme heat or humidity.
  • If you feel uncomfortable, short of breath, or tired, take a break and take it easier when you exercise again.

Stop exercising and call your doctor as soon as possible if you have any of the following:

  • Dizziness
  • Headache
  • Chest pain
  • Calf pain or swelling
  • Abdominal pain
  • Blurred vision
  • Fluid leaking from the vagina
  • Vaginal bleeding
  • Less fetal movement
  • Contractions

Work out your pelvic floor (Kegel exercises)

Your pelvic floor muscles support the rectum, vagina, and urethra in the pelvis. Toning these muscles with Kegel exercises will help you push during delivery and recover from birth. It also will help control bladder leakage and lower your chance of getting hemorrhoids.

Pelvic muscles are the same ones used to stop the flow of urine. Still, it can be hard to find the right muscles to squeeze. You can be sure you are exercising the right muscles if when you squeeze them you stop urinating. Or you can put a finger into the vagina and squeeze. If you feel pressure around the finger, you've found the pelvic floor muscles. Try not to tighten your stomach, legs, or other muscles.

Kegel exercises

  1. Tighten the pelvic floor muscles for a count of three, then relax for a count of three.
  2. Repeat 10 to 15 times, three times a day.
  3. Start Kegel exercises lying down. This is the easiest position. When your muscles get stronger, you can do Kegel exercises sitting or standing as you like.

Oral health

Before you become pregnant, it is best to have dental checkups routinely to keep your teeth and gums healthy. If you are pregnant and have not had regular checkups, consider the following:

  • Have a complete oral exam early in your pregnancy. Because you are pregnant, you might not receive routine x-rays. But if you must have x-rays for a dental problem needing treatment, the health risk to your unborn baby is small.
  • Dental treatment during pregnancy is safe. The best time for treatment is between the 14th and 20th weeks. During the last months of pregnancy, you might be uncomfortable sitting in a dental chair.
  • Do not avoid necessary dental treatments — you may risk your and your baby's health.
  • Use good oral hygiene to control your risk of gum diseases. Pregnant women may have changes in taste and develop red, swollen gums that bleed easily. This condition is called pregnancy gingivitis. It can be caused by both poor oral hygiene and higher hormone levels during pregnancy. Until recently, it was thought that having gum disease could raise your risk of having a low birth weight baby. Researchers have not been able to confirm this link, but some research is still under way to learn more.

After you give birth, maintain good oral hygiene to protect your baby's oral health. Bacteria that cause cavities can transfer from you to your child by:

  • A kiss on the mouth
  • Letting your baby put her fingers in your mouth
  • Tasting food on your baby's spoon
  • Testing the temperature of a baby bottle with your mouth

You also should find a dentist for your child by age 1.

Using medicine and herbs

Related information: Pregnancy and medicines fact sheet.

You and your baby are connected. The medicines you use, including over-the-counter, herbal, and prescription drugs or supplements, might get into your baby's body, too. Many medicines and herbs are known to cause problems during pregnancy, including birth defects. For some medicines, we don't know that much about how they might affect pregnancy or the developing fetus. This is because medicines are rarely tested on pregnant women for fear of harming the fetus.

Mothers-to-be might wonder if it's safe to use medicines during pregnancy. There is no clear-cut answer to this question. Your doctor can help you make the choice whether to use a medicine. Labels on prescription and over-the-counter drugs have information to help you and your doctor make this choice. In the future, a new prescription drug label will make it easier for women and their doctors to weigh the benefits and risks of using prescription medicines during pregnancy.

Always speak with your doctor before you start or stop any medicine. Not using medicine that you need may be more harmful to you and your baby than using the medicine.

Weighing benefits and risks

When deciding whether to use a medicine in pregnancy, you and your doctor need to talk about the medicine's benefits and the risks.

  • Benefits – what are the good things the medicine can do for me and my growing baby?
  • Risks – what are the ways the medicine might harm me or my growing baby?

There may be times during pregnancy when using medicine is a choice. For example, if you get a cold, you may decide to "live with" your stuffy nose instead of using the "stuffy nose" medicine you use when you are not pregnant.

Other times during pregnancy, using medicine is not a choice — it is needed. For example, you might need to use medicine to control an existing health problem like asthma, diabetes, depression, or seizures. Or, you might need a medicine for a few days, such as an antibiotic to treat a bladder infection or strep throat. Also, some women have a pregnancy problem that needs medicine treatment. These problems include severe nausea and vomiting, earlier pregnancy losses, or preterm labor.

Using herbal or dietary supplements and other "natural" products

You might think herbs are safe because they are "natural." But, except for some vitamins, little is known about using herbal or dietary supplements while pregnant. Some herbal remedy labels claim they will help with pregnancy. But, most often there are no good studies to show if these claims are true or if the herb can cause harm to you or your baby. Also, some herbs that are safe when used in small amounts as food might be harmful when used in large amounts as medicines. So, talk with your doctor before using any herbal or dietary supplement or natural product. These products may contain things that could harm you or your growing baby.

Travel

Everyday life doesn't stop once you are pregnant. Most healthy pregnant women are able to continue with their usual routine and activity level. That means going to work, running errands, and for some, traveling away from home. To take care of yourself and help keep your baby safe, consider these points before taking a long trip or traveling far from home:

  • Talk to your doctor before making any travel decisions that will take you far from home. Ask if any health conditions you might have makes travel during pregnancy unsafe. Also consider the destination. Is the food and water safe? Will you need immunizations before you go? Is there good medical care available in the event of an emergency? Will your health insurance cover medical care at your destination?
  • Avoid sitting for long periods during car or air travel. Prolonged sitting can affect blood flow in your legs. Try to limit driving to no more than 5 or 6 hours each day. Take frequent breaks to stretch your legs. Stand up, and move your legs often during air travel. Wearing support pantyhose also can help blood flow.
  • Occasional air travel is safe for most pregnant women, and most airlines will allow women to fly up to 36 weeks of pregnancy. Make sure to wear your seatbelt during the flight, and take steps to ease the discomforts of prolonged travel and sitting. Frequent air travel during pregnancy increases the risk of fetal exposure to cosmic radiation. If you are a pregnant pilot, aircrew member, or other frequent flier, check with your employer about flying restrictions.
  • Bring a copy of your medical record and find out about medical care at your destination so you will be prepared in the event of an emergency.
  • If you suspect a problem with your pregnancy during your trip, don't wait until you come home to see your doctor. Seek medical care right away.

Buckle up!

Wearing a seatbelt during car and air travel is safe while pregnant. The lap strap should go under your belly, across your hips. The shoulder strap should go between your breasts and to the side of your belly. Make sure it fits snugly.

Environmental risks

The environment is everything around us wherever we are — at home, at work, or outdoors. Although you don't need to worry about every little thing you breathe in or eat, it's smart to avoid exposure to substances that might put your pregnancy or unborn baby's health at risk.

During pregnancy, avoid exposure to:

  • Lead – found in some water and paints, mainly in homes built before 1978
  • Mercury – the harmful form is found mainly in large, predatory fish.
  • Arsenic – high levels can be found in some well water
  • Pesticides – both household products and agricultural pesticides
  • Solvents – such as degreasers and paint strippers and thinners
  • Cigarette smoke

Keep in mind: We don't know how much exposure can lead to problems, such as miscarriage or birth defects. That is why it's best to avoid or limit your exposure as much as possible. Here are some simple, day-to-day precautions you can take:

  • Clean in only well-ventilated spaces. Open the windows or turn on a fan.
  • Check product labels for warnings for pregnant women and follow instructions for safe use.
  • Do not clean the inside of an oven while pregnant.
  • Leave the house if paint is being used, and don't return until the fumes are gone.

If you are exposed to chemicals in the workplace, talk to your doctor and your employer about what you can do to lower your exposure. Certain industries, such as dry cleaning, manufacturing, printing, and agriculture, involve use of toxins that could be harmful. If you are concerned about the safety of your drinking water, call your health department or water supplier to ask about the quality of your tap water or how to have your water tested. Or, call the Environmental Protection Agency's Safe Drinking Water Hotline at (800) 426-4791. Don't assume that bottled water is better or safer. Usually, bottle water offers no health benefits over tap water.

Quitting smoking

Smoking cigarettes is very harmful to your health and could also affect the health of your baby. Not only does smoking cause cancer and heart disease in people who smoke, smoking during pregnancy increases the risk of low birth weight. Low birth weight babies are at higher risk of health problems shortly after birth. Also, some studies have linked low birth weight with a higher risk of health problems later in life, such as high blood pressure and diabetes. Women who smoke during pregnancy are more likely than other women to have a miscarriage and to have a baby born with cleft lip or palate, types of birth defects. Also, mothers who smoke during or after pregnancy put their babies at greater risk of sudden infant death syndrome (SIDS).

Mothers who smoke have many reasons to quit smoking. Take care of your health and your unborn baby's health: Ask your doctor about ways to help you quit during pregnancy. Intensive counseling has been shown to increase a pregnant woman's chances of quitting success. We don't know whether the drugs used to help people quit are safe to use during pregnancy. But we do know that continuing to smoke during pregnancy threatens your and your baby's health. Quitting smoking is hard, but you can do it with help!

Substance abuse

Using alcohol and illegal drugs during pregnancy threatens the health of your unborn baby. So does using legal drugs in an inappropriate way. When you use alcohol or drugs, the chemicals you ingest or breathe into your lungs cross the placenta and enter your baby. This puts your baby at risk for such problems as stillbirth, low birth weight, birth defects, behavioral problems, and developmental delays.

Alcohol

When you drink alcohol, so does your baby. Pregnant women should not drink alcohol to eliminate the chance of giving birth to a baby with fetal alcohol spectrum disorder (FASD). FASD involves a range of harmful effects that can occur when a fetus is exposed to alcohol. The effects can be mild to severe. Children born with a severe form of FASD can have abnormal facial features, severe learning disabilities, behavioral problems, and other problems.

You might think a drink now and then won't hurt your baby. But we don't know how much alcohol it takes to cause harm. We do know that the risk of FASD, and the likely severity, goes up with the amount of alcohol consumed during pregnancy. Also, damage from alcohol can occur in the earliest stages of pregnancy — often before a woman knows she is pregnant. For this reason, women who may become pregnant also should not drink.

Illegal drugs

Many women who use illegal drugs also use tobacco and alcohol. So, it's not always easy to tell the effects of one drug from that of alcohol, tobacco, or other drugs. We do know that using illegal drugs during pregnancy is very dangerous. Babies born to women who use drugs such as cocaine, heroine, and methamphetamine are likely to be born addicted and must go through withdrawal. Mothers who inject drugs are at higher risk of getting HIV, which can be passed to an unborn baby. Some studies suggest that the effects of drug use during pregnancy might not be seen until later in childhood.

Getting help for alcohol or drug use

If you drink alcohol or use drugs and cannot quit, talk to your doctor right away. Treatment programs can help pregnant women with addiction and abuse. To find help near you, go to the Substance abuse treatment facility locator. You can quit using and give your baby a good start to life.

Abusive relationships

It's hard to be excited about the new life growing inside of you if you're afraid of your partner. Abuse from a partner can begin or increase during pregnancy and can harm you and your unborn baby. Women who are abused often don't get the prenatal care their babies need. Abuse from a partner also can lead to preterm birth and low birth weight babies, stillbirth and newborn death, and homicide. If you are abused, you might turn to alcohol, cigarettes, or drugs to help you cope. This can be even more harmful to you and your baby.

You may think that a new baby will change your situation for the better. But the cycle of abuse is complex, and a baby introduces new stress to people and relationships. Now is a good time to think about your safety and the safety and wellbeing of your baby. About 50 percent of men who abuse their wives also abuse their children. Think about the home environment you want for your baby. Studies show that children who witness or experience violence at home may have long-term physical, emotional, and social problems. They are also more likely to experience or commit violence themselves in the future.

Prenatal exams offer a good chance to reach out for help. It's possible to take control and leave an abusive partner. But for your and your baby's safety, talk to your doctor first. Let motherhood prompt you to take action now.

If you're a victim of abuse or violence at the hands of someone you know or love, or you are recovering from an assault by a stranger, you and your baby can get immediate help and support.

When to call the doctor

When you are pregnant, do not hesitate to call your doctor or midwife if something is bothering or worrying you. Sometimes physical changes can be signs of a problem.

Call your doctor or midwife as soon as you can if you:

  • Are bleeding or leaking fluid from the vagina
  • Have sudden or severe swelling in the face, hands, or fingers
  • Get severe or long-lasting headaches
  • Have discomfort, pain, or cramping in the lower abdomen
  • Have a fever or chills
  • Are vomiting or have persistent nausea
  • Feel discomfort, pain, or burning with urination
  • Have problems seeing or blurred vision
  • Feel dizzy
  • Suspect your baby is moving less than normal after 28 weeks of pregnancy (if you count less than 10 movements within 2 hours. Learn how to count your baby's movements on our Prenatal care and tests page.)
  • Have thoughts of harming yourself or your baby

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Pregnancy, Breastfeeding and Bone Health

Both pregnancy and breastfeeding cause changes in, and place extra demands on, women’s bodies. Some of these may affect their bones. The good news is that most women do not experience bone problems during pregnancy and breastfeeding. And if their bones are affected during these times, the problem often is corrected easily. Nevertheless, taking care of one’s bone health is especially important during pregnancy and breastfeeding, for the good health of both the mother and her baby.

  • Pregnancy and Bone Health
  • Breastfeeding and Bone Health
  • Tips to Keep Bones Healthy During Pregnancy, Breastfeeding, and Beyond
  • Resources for Pregnant and Breastfeeding Women
  • For Your Information

Pregnancy and Bone Health

During pregnancy, the baby growing in its mother’s womb needs plenty of calcium to develop its skeleton. This need is especially great during the last 3 months of pregnancy. If the mother doesn’t get enough calcium, her baby will draw what it needs from the mother’s bones. So, it is disconcerting that most women of childbearing years are not in the habit of getting enough calcium. Fortunately, pregnancy appears to help protect most women’s calcium reserves in several ways:

  • Pregnant women absorb calcium from food and supplements better than women who are not pregnant. This is especially true during the last half of pregnancy, when the baby is growing quickly and has the greatest need for calcium.
  • During pregnancy, women produce more estrogen, a hormone that protects bones.
  • Any bone mass lost during pregnancy is typically restored within several months after the baby’s delivery (or several months after breastfeeding is stopped).

Some studies suggest that pregnancy may be good for bone health overall. Some evidence suggests that the more times a woman has been pregnant (for at least 28 weeks), the greater her bone density and the lower her risk of fracture.

In some cases, women develop osteoporosis during pregnancy or breastfeeding, although this is rare. Osteoporosis is bone loss that is serious enough to result in fragile bones and increased risk of fracture.

In many cases, women who develop osteoporosis during pregnancy or breastfeeding will recover lost bone after childbirth or after they stop breastfeeding. It is less clear whether teenage mothers can recover lost bone and go on to optimize their bone mass.

Teen pregnancy and bone health. Teenage mothers may be at especially high risk for bone loss during pregnancy and for osteoporosis later in life. Unlike older women, teenage mothers are still building much of their own total bone mass. The unborn baby’s need to develop its skeleton may compete with the young mother’s need for calcium to build her own bones, compromising her ability to achieve optimal bone mass that will help protect her from osteoporosis later in life. To minimize any bone loss, pregnant teens should be especially careful to get enough calcium during pregnancy and breastfeeding.

Breastfeeding and Bone Health

Breastfeeding also affects a mother’s bones. Studies have shown that women often lose 3 to 5 percent of their bone mass during breastfeeding, although they recover it rapidly after weaning. This bone loss may be caused by the growing baby’s increased need for calcium, which is drawn from the mother’s bones. The amount of calcium the mother needs depends on the amount of breast milk produced and how long breastfeeding continues. Women also may lose bone mass during breastfeeding because they’re producing less estrogen, which is the hormone that protects bones. The good news is that, like bone lost during pregnancy, bone lost during breastfeeding is usually recovered within 6 months after breastfeeding ends.

Tips to Keep Bones Healthy During Pregnancy, Breastfeeding, and Beyond

Taking care of your bones is important throughout life, including before, during, and after pregnancy and breastfeeding. A balanced diet with adequate calcium, regular exercise, and a healthy lifestyle are good for mothers and their babies.

Calcium. Although this important mineral is important throughout your lifetime, your body’s demand for calcium is greater during pregnancy and breastfeeding because both you and your baby need it. The National Academy of Sciences recommends that women who are pregnant or breastfeeding consume 1,000 mg (milligrams) of calcium each day. For pregnant teens, the recommended intake is even higher: 1,300 mg of calcium a day.

Good sources of calcium include:

  • low-fat dairy products, such as milk, yogurt, cheese, and ice cream
  • dark green, leafy vegetables, such as broccoli, collard greens, and bok choy
  • canned sardines and salmon with bones
  • tofu, almonds, and corn tortillas
  • foods fortified with calcium, such as orange juice, cereals, and breads.

In addition, your doctor probably will prescribe a vitamin and mineral supplement to take during pregnancy and breastfeeding to ensure that you get enough of this important mineral.

Exercise. Like muscles, bones respond to exercise by becoming stronger. Regular exercise, especially weight-bearing exercise that forces you to work against gravity, helps build and maintain strong bones. Examples of weight-bearing exercise include walking, climbing stairs, dancing, and weight training. Exercising during pregnancy can benefit your health in other ways, too. According to the American College of Obstetricians and Gynecologists, being active during pregnancy can:

  • help reduce backaches, constipation, bloating, and swelling
  • help prevent or treat gestational diabetes (a type of diabetes that starts during pregnancy)
  • increase energy
  • improve mood
  • improve posture
  • promote muscle tone, strength, and endurance
  • help you sleep better
  • help you get back in shape after your baby is born.

Before you begin or resume an exercise program, talk to your doctor about your plans.

Healthy lifestyle. Smoking is bad for your baby, bad for your bones, and bad for your heart and lungs. If you smoke, talk to your doctor about quitting. He or she can suggest resources to help you. Alcohol also is bad for pregnant and breastfeeding women and their babies, and excess alcohol is bad for bones. Be sure to follow your doctor’s orders to avoid alcohol during this important time.

Resources for Pregnant and Breastfeeding Women

National Women’s Health Information Center

Website: http://www.womenshealth.gov/pregnancy

Designed for expectant mothers, this Website provides resources about each trimester of pregnancy, family planning, preparing for the new baby, childbirth, postnatal and postpartum care, and financial assistance.

National Institute of Diabetes and Digestive and Kidney Diseases Weight-control Information Network

Website: http://win.niddk.nih.gov/publications/two.htm

A brochure, Fit for Two: Tips for Pregnancy is available.

National Institute on Alcohol Abuse and Alcoholism

Website: http://pubs.niaaa.nih.gov/publications/fas/fas.htm

A brochure, Drinking and Your Pregnancy, lists problems associated with fetal alcohol syndrome, answers questions about alcohol and drinking during pregnancy, and provides a list of resources.

MedlinePlus

Website: http://www.nlm.nih.gov/medlineplus/

This Website provides access to extensive information about specific diseases and conditions. MedlinePlus provides links to consumer health information from the National Institutes of Health, dictionaries, lists of hospitals and doctors, health information in Spanish and other languages, and information about clinical trials.

Eunice Kennedy Shriver National Institute of Child Health and Human Development

Website: http://www.nichd.nih.gov

This Institute’s clearinghouse provides various publications on healthy pregnancy.

For Your Information

This publication contains information about medications used to treat the health condition discussed here. When this publication was developed, we included the most up-to-date (accurate) information available. Occasionally, new information on medication is released.

For updates and for any questions about any medications you are taking, please contact

U.S. Food and Drug Administration
Toll Free: 888–INFO–FDA (888–463–6332)
Website: http://www.fda.gov

For additional information on specific medications, visit Drugs@FDA at www.accessdata.fda.gov/scripts/cder/drugsatfda. Drugs@FDA is a searchable catalog of FDA-approved drug products.

NIH Pub. No. 15-7881

Last Reviewed
NIH Osteoporosis and Related Bone Diseases ~ National Resource Center

2 AMS Circle
Bethesda, MD 20892-3676
Phone: 202-223-0344
Toll free: 800-624-BONE (2663)
TTY: 202-466-4315
Fax: 202-293-2356
Email: NIHBoneInfo@mail.nih.gov
Website: http://www.bones.nih.gov

If you need more information about available resources in your language or another language, contact the NIH Osteoporosis and Related Bone Diseases ~ National Resource Center at NIHBoneInfo@mail.nih.gov.

The National Institutes of Health (NIH) is a component of the U.S. Department of Health and Human Services (HHS).

Source: NIH NewsInHealth, NIH


Health Tips for Pregnant Women

How can I use this publication?

This publication is one of several resources from WIN that may help you and your family. It gives you tips on how to eat better and be more active while you are pregnant and after your baby is born. Use the ideas and tips in this publication to improve your eating pattern and be more physically active.

These tips can also be useful if you are not pregnant but are thinking about having a baby! By making changes now, you can get used to new eating and activity habits and be a healthy example for your family for a lifetime.

Healthy Weight

Why is gaining a healthy amount of weight during pregnancy important?

Gaining the right amount of weight during pregnancy helps your baby grow to a healthy size. But gaining too much or too little weight may lead to serious health problems for you and your baby.

Too much weight gain raises your chances for diabetes and high blood pressure during pregnancy and after. If you are overweight when you get pregnant, your chances for health problems may be even higher. It also makes it more likely that you will have a hard delivery and need a cesarean section (C-section).

Gaining a healthy amount of weight helps you have an easier pregnancy and delivery. It may also help make it easier for you to get back to your normal weight after delivery. Research shows that a healthy weight gain can also lower the chances that you or your child will have obesity and weight-related problems later in life.

How much weight should I gain during my pregnancy?

How much weight you should gain depends on how much you weighed before pregnancy. See the following box on "Weight Gain during Pregnancy" for more advice.1

Weight Gain during Pregnancy

General weight-gain advice below refers to weight before pregnancy and is for women having only one baby.

If you are You should gain about
underweight (BMI* less than 18.5) 28 to 40 pounds
normal weight (BMI of 18.5 to 24.9) 25 to 35 pounds
overweight (BMI of 25 to 29.9) 15 to 25 pounds
obese (BMI of 30+) 11 to 20 pounds

*The body mass index (BMI) measures your weight in relation to your height. See the Additional Links section for a link to an online BMI calculator.

It is important to gain weight very slowly. The old myth that you are "eating for two" is not true. During the first 3 months, your baby is only the size of a walnut and does not need very many extra calories. The following rate of weight gain is advised:

  • 1 to 4 pounds total in the first 3 months
  • 2 to 4 pounds each month from 4 months until delivery

Talk to your health care provider about how much weight you should gain. Work with him or her to set goals for your weight gain. Take into account your age, weight, and health. Track your weight at home or at your provider visits using charts from the Institute of Medicine. See Weight Gain During Pregnancy: Reexamining the Guidelines for more Information.

Do not try to lose weight if you are pregnant. Healthy food is needed to help your baby grow. Some women may lose a small amount of weight at the start of pregnancy. Speak to your health care provider if this happens to you.

Healthy Eating

How much should I eat?

Eating healthy foods and the right amount of calories helps you and your baby gain the proper amount of weight.

How much food you need depends on things like your weight before pregnancy, your age, and how fast you gain weight. In the first 3 months of pregnancy, most women do not need extra calories. You also may not need extra calories during the final weeks of pregnancy.

Check with your doctor about this. If you are not gaining the right amount of weight, your doctor may advise you to eat more calories. If you are gaining too much weight, you may need to cut down on calories. Each woman's needs are different. Your needs depend on if you were underweight, overweight, or obese before you became pregnant, or if you are having more than one baby.

What kinds of foods should I eat?

A healthy eating plan for pregnancy includes nutrient-rich foods. Current U.S. dietary guidelines advise eating these foods each day:

  • fruits and veggies (provide vitamins and fiber)
  • whole grains, like oatmeal, whole-wheat bread, and brown rice (provide fiber, B vitamins, and other needed nutrients)
  • fat-free or low-fat milk and milk products or non-dairy soy, almond, rice, or other drinks with added calcium and vitamin D
  • protein from healthy sources, like beans and peas, eggs, lean meats, seafood (8 to 12 ounces per week), and unsalted nuts and seeds

A healthy eating plan also limits salt, solid fats (like butter, lard, and shortening), and sugar-sweetened drinks and foods.

Does your eating plan measure up? How can you improve your eating habits? Try eating fruit like berries or a banana with low-fat yogurt for breakfast, a salad with beans for lunch, and a lean chicken breast and steamed veggies for dinner. Think about things you can try. Write down your ideas in the space below and share them with your doctor.

For more about healthy eating, see the online program "Daily Food Plan for Moms ." It can help you make an eating plan for each trimester (3 months) of your pregnancy.

What if I am a vegetarian

A vegetarian eating plan during pregnancy can be healthy. Talk to your health care provider to make sure you are getting calcium, iron, protein, vitamin B12, vitamin D, and other needed nutrients. He or she may ask you to meet with a registered dietitian (a nutrition expert who has a degree in diet and nutrition approved by the Academy of Nutrition and Dietetics, has passed a national exam, and is licensed to practice in your state) who can help you plan meals. Your doctor may also tell you to take vitamins and minerals that will help you meet your needs.

Do I have any special nutrition needs now that I am pregnant?

Yes. During pregnancy, you need more vitamins and minerals, like folate, iron, and calcium.

Getting the right amount of folate is very important. Folate, a B vitamin also known as folic acid, may help prevent birth defects. Before pregnancy, you need 400 mcg per day. During pregnancy and when breastfeeding, you need 600 mcg per day from foods or vitamins. Foods high in folate include orange juice, strawberries, spinach, broccoli, beans, and fortified breads and breakfast cereals.

Most health care providers tell women who are pregnant to take a prenatal vitamin every day and eat a healthy diet. Ask your doctor about what you should take.

What other new eating habits may helps my weight gain?

Pregnancy can create some new food and eating concerns. Meet the needs of your body and be more comfortable with these tips:

  • Eat breakfast every day. If you feel sick to your stomach in the morning, try dry whole-wheat toast or whole-grain crackers when you first wake up. Eat them even before you get out of bed. Eat the rest of your breakfast (fruit, oatmeal, whole-grain cereal, low-fat milk or yogurt, or other foods) later in the morning.
  • Eat high-fiber foods. Eating high-fiber foods, drinking plenty of water, and getting daily physical activity may help prevent constipation. Try to eat whole-grain cereals, vegetables, fruits, and beans.
  • If you have heartburn, eat small meals more often. Try to eat slowly and avoid spicy and fatty foods (such as hot peppers or fried chicken). Have drinks between meals instead of with meals. Do not lie down soon after eating.

What foods should I avoid?

There are certain foods and drinks that can harm your baby if you have them while you are pregnant. Here is a list of items you should avoid:

  • Alcohol. Do not drink alcohol like wine or beer. Enjoy decaf coffee or tea, non-sugar-sweetened drinks, or water with a dash of juice. Avoid diet drinks and drinks with caffeine.
  • Fish that may have high levels of mercury (a substance that can build up in fish and harm an unborn baby). You should eat 8 to 12 ounces of seafood per week, but limit white (albacore) tuna to 6 ounces per week. Do not eat tilefish, shark, swordfish, and king mackerel.
  • Anything that is not food. Some pregnant women may crave something that is not food, such as laundry starch or clay. This may mean that you are not getting the right amount of a nutrient. Talk to your doctor if you crave something that is not food. He or she can help you get the right amount of nutrients.

Physical Activity

Should I be physically active during my pregnancy?

Almost all women can and should be physically active during pregnancy. Regular physical activity may

  • help you and your baby gain the right amounts of weight
  • reduce backaches, leg cramps, and bloating
  • reduce your risk for gestational diabetes (diabetes that develops when a woman is pregnant)

If you were physically active before you became pregnant, you may not need to change your exercise habits. Talk with your health care provider about how to change your workouts during pregnancy.

It can be hard to be physically active if you do not have child care for your other children, have not worked out before, or do not know what to do. Keep reading for tips about how you can work around these things and be physically active.

How much physical activity do I need?

Most women need the same amount of physical activity as before they became pregnant. Aim for at least 30 minutes of aerobic activity per day on most days of the week. Aerobic activities use large muscle groups (back, chest, and legs) to increase heart rate and breathing.

The aerobic activity should last at least 10 minutes at a time and should be of moderate intensity. This means it makes you breathe harder but does not overwork or overheat you.

If you have health issues like obesity, high blood pressure, diabetes, or anemia (too few healthy red blood cells), ask your health care provider about a level of activity that is safe for you.

How can I stay active while pregnant?

Even if you have not been active before, you can be active during your pregnancy by using the tips below:

  • Go for a walk around the block, in a local park, or in a shopping mall with a family member or friend. If you already have children, take them with you and make it a family outing.
  • Get up and move around at least once an hour if you sit in a chair most of the day. When watching TV, get up and move around during commercials. Even a simple activity like walking in place can help.

How can I stay safe while being active?

For your health and safety, and for your baby's, you should not do some physical activities while pregnant. Some of these are listed below. Talk to your health care provider about other physical activities that you should not do.

Make a plan to be active while pregnant. List the activities you would like to do, such as walking or taking a prenatal yoga class. Think of the days and times you could do each activity on your list, like first thing in the morning, during lunch break from work, after dinner, or on Saturday afternoon. Look at your calendar or planner to find the days and times that work best, and commit to those plans.

Safety Dos and Dont's
Follow these safety tips while being active.
Do... Don't...
Choose moderate activities that are not likely to injure you, such as walking or aqua aerobics. Avoid brisk exercise outside during very hot weather.
Drink fluids before, during, and after being physically active. Don't use steam rooms, hot tubs, and saunas.
Wear comfortable clothing that fits well and supports and protects your breasts. After the end of week 12 of your pregnancy, avoid exercises that call for you to lie flat on your back.
top exercising if you feel dizzy, short of breath, tired, or sick to your stomach.
ACTIVITY WHEN

After the Baby is born

How can I stay healthy after my baby is born?

After you deliver your baby, your health may be better if you try to return to a healthy weight. Not losing weight may lead to overweight or obesity later in life. Returning to a healthy weight may lower your chances of diabetes, heart disease, and other weight-related problems.

Healthy eating and physical activity habits after your baby is born may help you return to a healthy weight faster and give you energy.

After your baby is born

  • keep eating well. Eat foods from all of the food groups. See MyPlate in the Additional Links section for advice to help you stay healthy and fit.
  • check with your health care provider first, then slowly get used to a routine of regular, moderate-intensity physical activity, like a daily walk. This type of activity will not hurt your milk supply if you are breastfeeding.

How may breastfeeding help?

Breastfeeding may or may not make it easier for you to lose weight because your body burns extra energy to produce milk. Even though breastfeeding may not help you lose weight, it is linked to other benefits for mother and child.

Many leading health groups advise breastfeeding only for the first 6 months of the baby's life. This means that you should feed your baby only breast milk during this time—no other foods or drinks. Experts suggest that women breastfeed at least until the baby reaches 12 months. In months 6 through 12, you may give your baby other types of food in addition to breast milk.

Calorie needs when you are breastfeeding depend on how much body fat you have and how active you are. Ask your doctor how many calories you need.

Benefits of Breastfeeding

Breastfeeding your baby

  • gives him or her the right mix of nutrients in a liquid (breast milk) that is easier to digest than formula
  • helps boost his or her immune system
  • helps protect your baby from common problems, like ear infections and diarrhea

What else may help?

Pregnancy and the time after you deliver your baby can be wonderful, exciting, emotional, stressful, and tiring—all at once. These feelings may cause you to overeat, not eat enough, or lose your drive and energy. Being good to yourself can help you cope with your feelings and follow healthy eating and physical activity habits.

Here are some ideas that may help:

  • Sleep when the baby sleeps.
  • Watch a funny movie.
  • Ask someone you trust to watch your baby while you nap, bathe, read, go for a walk, or go grocery shopping.
  • Explore groups that you and your newborn can join, such as "new moms" groups.

Lifespan tip sheet for pregnancy

  • Talk to your health care provider about how much weight you should gain during your pregnancy. Track your progress on a weight-gain graph.
  • Eat foods rich in folate, iron, calcium, and protein. Ask your health care provider about prenatal supplements (vitamins you may take while pregnant).
  • Eat breakfast every day.
  • Eat foods high in fiber and drink plenty of water to avoid constipation.
  • Cut back on "junk" foods and soft drinks.
  • Avoid alcohol, raw or undercooked fish, fish high in mercury, undercooked meat and poultry, and soft cheeses.
  • Be physically active on most, or all, days of the week during your pregnancy. If you have health issues, talk to your health care provider before you begin.
  • After pregnancy, slowly get back to your routine of regular, moderate-intensity physical activity.
  • Return to a healthy weight slowly.

Body mass index table

To use the table, find the appropriate height in the left-hand column labeled Height. Move across to a given weight (in pounds). The number at the top of the column is the BMI at that height and weight. Pounds have been rounded off.

Body Mass Index Table 1 of 2

Normal Overweight Obese
BMI 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
Height
(inches)
Body Weight (pounds)
58 91 96 100 105 110 115 119 124 129 134 138 143 148 153 158 162 167
59 94 99 104 109 114 119 124 128 133 138 143 148 153 158 163 168 173
60 97 102 107 112 118 123 128 133 138 143 148 153 158 163 168 174 179
61 100 106 111 116 122 127 132 137 143 148 153 158 164 169 174 180 185
62 104 109 115 120 126 131 136 142 147 153 158 164 169 175 180 186 191
63 107 113 118 124 130 135 141 146 152 158 163 169 175 180 186 191 197
64 110 116 122 128 134 140 145 151 157 163 169 174 180 186 192 197 204
65 114 120 126 132 138 144 150 156 162 168 174 180 186 192 198 204 210
66 118 124 130 136 142 148 155 161 167 173 179 186 192 198 204 210 216
67 121 127 134 140 146 153 159 166 172 178 185 191 198 204 211 217 223
68 125 131 138 144 151 158 164 171 177 184 190 197 203 210 216 223 230
69 128 135 142 149 155 162 169 176 182 189 196 203 209 216 223 230 236
70 132 139 146 153 160 167 174 181 188 195 202 209 216 222 229 236 243
71 136 143 150 157 165 172 179 186 193 200 208 215 222 229 236 243 250
72 140 147 154 162 169 177 184 191 199 206 213 221 228 235 242 250 258
73 144 151 159 166 174 182 189 197 204 212 219 227 235 242 250 257 265
74 148 155 163 171 179 186 194 202 210 218 225 233 241 249 256 264 272
75 152 160 168 176 184 192 200 208 216 224 232 240 248 256 264 272 279
76 156 164 172 180 189 197 205 213 221 230 238 246 254 263 271 279 287

Body Mass Index Table 2 of 2

Obese Extreme Obesity
BMI 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
Height
(inches)
Body Weight (pounds)
58 172 177 181 186 191 196 201 205 210 215 220 224 229 234 239 244 248 253 258
59 178 183 188 193 198 203 208 212 217 222 227 232 237 242 247 252 257 262 267
60 184 189 194 199 204 209 215 220 225 230 235 240 245 250 255 261 266 271 276
61 190 195 201 206 211 217 222 227 232 238 243 248 254 259 264 269 275 280 285
62 196 202 207 213 218 224 229 235 240 246 251 256 262 267 273 278 284 289 295
63 203 208 214 220 225 231 237 242 248 254 259 265 270 278 282 287 293 299 304
64 209 215 221 227 232 238 244 250 256 262 267 273 279 285 291 296 302 308 314
65 216 222 228 234 240 246 252 258 264 270 276 282 288 294 300 306 312 318 324
66 223 229 235 241 247 253 260 266 272 278 284 291 297 303 309 315 322 328 334
67 230 236 242 249 255 261 268 274 280 287 293 299 306 312 319 325 331 338 344
68 236 243 249 256 262 269 276 282 289 295 302 308 315 322 328 335 341 348 354
69 243 250 257 263 270 277 284 291 297 304 311 318 324 331 338 345 351 358 365
70 250 257 264 271 278 285 292 299 306 313 320 327 334 341 348 355 362 369 376
71 257 265 272 279 286 293 301 308 315 322 329 338 343 351 358 365 372 379 386
72 265 272 279 287 294 302 309 316 324 331 338 346 353 361 368 375 383 390 397
73 272 280 288 295 302 310 318 325 333 340 348 355 363 371 378 386 393 401 408
74 280 287 295 303 311 319 326 334 342 350 358 365 373 381 389 396 404 412 420
75 287 295 303 311 319 327 335 343 351 359 367 375 383 391 399 407 415 423 431
76 295 304 312 320 328 336 344 353 361 369 377 385 394 402 410 418 426 435 443

Other publications in the Lifespan Series include the following:

Spanish-language publications in the Lifespan Series include the following:

References

Clinical trials that are currently open and are recruiting can be viewed at www.ClinicalTrials.gov .

Alternate Versions

This content is provided as a service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), part of the National Institutes of Health. The NIDDK translates and disseminates research findings through its clearinghouses and education programs to increase knowledge and understanding about health and disease among patients, health professionals, and the public. Content produced by the NIDDK is carefully reviewed by NIDDK scientists and other experts.

The NIDDK would like to thank:
Carla Miller, Ph.D., Associate Professor, Ohio State University.

Source: NIDDK, NIH


Food Safety for Pregnant Women

When pregnant, a woman’s immune system is reduced. This places her and her unborn baby at increased risk of contracting the bacteria, viruses, and parasites that cause foodborne illness. Foodborne illnesses can be worse during pregnancy and may lead to miscarriage or premature delivery. Maternal foodborne illness can also lead to death or severe health problems in newborn babies. Some foodborne illnesses, such as Listeria and Toxoplasma gondii, can infect the fetus even if the mother does not feel sick. This is why doctors provide pregnant women with specific guidelines to foods that they should and should not eat.

Food Poisoning During Pregnancy: Top Five Pathogens

Pregnant woman and her husband cutting fresh veggies.
Click image to view full infographic

What You Can Do During Pregnancy

Food Poisoning During Pregnancy

Foodborne Pathogen Foodborne Illness’s Impact During Pregnancy
Campylobacter
  • Infections usually result in severe diarrhea and in pregnant women the infection usually are mild and have no adverse consequences for mother or child.
  • Infection during the third trimester has a higher chance of leading to neonatal sepsis because the bacterium is able to transmit to the baby during time of delivery.
  • In some cases, infection in the early stages of pregnancy can cause miscarriages and premature birth.
E. coli
  • The main concern of E. coli infection during pregnancy is dehydration though in rare cases severe complications may arise.
Listeria
  • Listeria can cause Listeriosis, an infection that may cause miscarriages, premature labor, the delivery of low-birth-weight infants, or infant death.
  • The infection can pass to a fetus even if the mother does not show signs of infection.
  • Pregnant women are about 10 times more likely than the general population to get a Listeria infection.
  • A fetus infected with Listeria may develop health problems later in life including:
    • intellectual disability,
    • paralysis,
    • seizures,
    • blindness,
    • or impairments of brain, heart, or kidney.
Salmonella
  • Infection can lead to health complications during pregnancy, including dehydration and bacteremia (bacteria in the blood) which can lead to meningitis.
  • Salmonella can pass to the baby during pregnancy. Babies born with Salmonella infection may have diarrhea and fever after birth and may develop more serve complications meningitis.
Toxoplasma gondii (toxoplasmosis)
  • If infection occurs during pregnancy, babies can develop:
    • hearing loss,
    • intellectual disability,
    • and blindness.
  • Some children can develop brain or eye problems years after birth.
  • The infection can pass to a fetus even if the mother does not show signs of infection.

What You Can Do During Pregnancy

Advice Regarding Eating Fish

FDA and EPA have issued advice regarding eating fish. This advice is geared toward helping women who are pregnant or may become pregnant—as well as breastfeeding mothers and parents of young children—make informed choices when it comes to fish that is healthy and safe to eat.

The advice includes a chart that makes it easier than ever to choose dozens of healthy and safe options, and a set of frequently asked questions and answers.

FDA Advice About Eating Fish Chart

Download a full-size PDF of the chart here.

Avoid Raw Seafood

Raw seafood may contain parasites or bacteria including Listeria that can make a pregnant woman ill and could potentially harm her baby.  All seafood dishes should be cooked to 145 °F. This means that she should avoid:

Sushi aligned on plate.

  • Sushi
  • Sashimi
  • Raw Oysters
  • Raw Clams
  • Raw Scallops
  • Ceviche

Be Selective with Smoked Seafood

Refrigerated smoked seafood presents a very real threat of Listeria. Refrigerated smoked seafood, such as salmon, trout, whitefish, cod, tuna, or mackerel are often labeled as:

Pieces of smoked salmon.

  • Nova-style
  • Lox
  • Kippered
  • Smoked,
  • Or jerky.

Refrigerated smoked fish should be reheated to 165 °F before eating. It is okay to eat smoked seafood during pregnancy if it is canned, shelf stable or an ingredient in a casserole or other cooked dish

Avoid Unpasteurized Juice or Cider

Unpasteurized juice, even fresh squeezed juice, and cider can cause foodborne illness. In particular these beverages have been linked to outbreaks of E. coli. In addition, E. coli 0157:H7 infections have been associated with unpasteurized juice. This strain of E. coli can result in liver failure and death. Individuals with reduce immunity are particularly susceptible. To prevent E. coli infection, either choose a pasteurized version or bring unpasteurized juice or cider to a rolling boil and boil for at least 1 minute before drinking.

Unpasteurized Milk is a No-No

Milk that has not been pasteurized may contain bacteria such as Campylobacter, E. coli, Listeria, Salmonella or Tuberculosis. To avoid getting these foodborne illnesses, drink only pasteurized milk.

Avoid Soft Cheese & Cheese Made from Unpasteurized Milk

Soft cheeses in particular tend to be made with unpasteurized milk. When pregnant, a woman should avoid the following cheeses that tend to be made with unpasteurized milk:

Pieces of smoked salmon.

  • Brie,
  • Feta,
  • Camembert,
  • Roquefort,
  • Queso Blanco,
  • And Queso fresco

Cheese made with unpasteurized milk may contain E. coli or Listeria. Instead of eating soft cheese, eat hard cheese such as Cheddar or Swiss. If a pregnant woman wants to continue to eat soft cheese, she should make sure to check the label to ensure that the cheese is made from pasteurized milk. Pregnant woman should pay particular attention at farmers markets to make sure that fresh and soft cheeses are pasteurized.

Only Consume Cooked Eggs

Undercooked eggs may contain Salmonella. To safely consume eggs, cook them until the yolks are firm that way you know Salmonella has been destroyed.  If you are making a casserole or other dish containing eggs, make sure the dish is cooked to a temperature of 160 °F. Foods that may contain raw eggs should be avoided. They are as follows:

Pieces of smoked salmon.

  • Eggnog
  • Raw batter
  • Caesar salad dressing
  • Tiramisu
  • Eggs Benedict
  • Homemade ice cream
  • Freshly made or homemade hollandaise sauce

Any batter that contains raw eggs, such as cookie, cake or brownie batter, should not be consumed uncooked by pregnant women. The batter may contain Salmonella which can make a pregnant woman very sick. To safely consume these yummy treats, bake them thoroughly. No matter how tempting, DO NOT lick the spoon.

Avoid Premade Meat or Seafood Salad

When pregnant, a woman should not purchase premade ham salad, chicken salad, or seafood salad which may contain Listeria. These items are commonly found in delis. She can safely consume these yummy lunch items by making the salads at home and following the food safety basics of clean, separate, cook and chill.

Tailor Your Homemade Ice Cream Recipe

Homemade ice cream may contain uncooked eggs, which may contain Salmonella. To make homemade ice cream safer, use pasteurized shell eggs, a pasteurized egg product or a recipe with a cooked custard base.

Do Not Eat Raw Sprouts

Raw or undercooked sprouts, such as alfalfa, clover, mung bean, and radish may contain E. coli or Salmonella. If a pregnant woman would like to eat sprouts safely, she should cook them thoroughly.

Avoid Undercooked Meat & Poultry

All meat and poultry should be thoroughly cooked before eating. A food thermometer should be used to ensure that the meat has reached the USDA recommended safe minimum internal temperature. Visit minimum cooking temperatures for specific details.

Following the minimum recommend internal temperature is important because meat and poultry may contain E. coli, Salmonella, Campylobacter, Toxoplasma gondii.

According to the CDC, 50% of toxoplasmosis cases are believed to be caused by eating contaminated meat. The CDC recommends the following preventive measures to reduce the risk of contracting toxoplasmosis from meat consumption:Sliced beef.

  • Cook meat to the USDA recommended minimum safe internal temperature.
  • Freeze meat for several days at sub-zero (0 °F) temperatures before cooking to greatly reduce chance of infection.
  • Wash cutting boards, dishes, counters, utensils, and hands with hot soapy water after contact with raw meat, poultry, seafood, or unwashed fruits or vegetables.

Reheat Hot Dogs & Luncheon Meats

While the label may say precooked on the following products, a pregnant woman should reheat these meats to steaming hot or 165 °F before eating. These meat items may contain Listeria and are unsafe to eat if they have not been thoroughly reheated.

Sandwich with turkey, lettuce, and tomato.

  • Hot dogs
  • Luncheon meats
  • Cold cuts
  • Fermented or dry sausage
  • Any other deli-style meat and poultry

Be Selective with Meat Spreads or Pate

Unpasteurized meat spreads or pate may contain Listeria. To consume these products safely when pregnant, eat canned versions. Do not eat refrigerated pates or meat spreads as they have a high likelihood of containing Listeria.

More Information

Chart of Foods to Avoid during Pregnancy
To ensure that you and your unborn baby are safe and healthy, keep this checklist handy.

Food Safety for Pregnant Women
A need-to-know guide to help you reduce your risk of foodborne illness.

Food Safety for Moms-To-Be (FDA)
Foodborne illness is a serious health risk for pregnant women and their unborn babies.

  • Safe Eats
    A food-by-food guide to selecting, preparing, and handling foods safely throughout pregnancy.

Protect Your Baby and Yourself From Listeriosis (USDA)
If you are pregnant, you need to know what foods are safe to eat.

Download our FoodKeeper application to make sure you are storing food and beverages properly, and using them within recommended storage guidelines.

Source: FoodSafety.Gov, U.S. Department of Health and Human Services


Pregnancy and birth: Overview

Last Update: March 22, 2018; Next update: 2019.

Introduction

Giving birth to a child is one of life’s most intense experiences. And the nine months of pregnancy are an exciting time for many women and their partners. They may find their feelings ranging from joy and hope to worries and fears: How will everything go? Am I doing things right? How will life change once the baby has arrived?

From conception to birth, a woman’s body goes through a number of astonishing changes as it prepares to carry and grow a new life. A new organ, the placenta, is formed to supply the unborn child with everything he or she needs. The woman’s body retains more water, and a larger volume of blood circulates than before. Both of these changes become noticeable early on in the form of increased body weight. The mammary glands in the breasts prepare to produce milk. Connective tissue, ligaments, tendons and muscles become more flexible to allow for natural birth. All of these changes are triggered and maintained by hormones. During pregnancy, the body produces more hormones than it ever will at any other time.

The course of pregnancy

In early pregnancy, the physical changes are hardly noticeable. Skin may appear rosy because of increased circulation of blood. But most pregnant women notice that their body is changing: Many of them feel tired faster, their appetite changes, their breasts feel tender, and they may feel nauseous, especially in the morning (“morning sickness”).

Hormonal changes often influence a woman’s emotions, particularly in the first three months of pregnancy. Women might react more sensitively than they otherwise would, and might change their opinions about some things. And it's not always easy to adjust to the new challenges that lie ahead – especially if the pregnancy wasn't planned.

The second trimester of pregnancy is often the most pleasant for women. Their body has now completely adjusted to the pregnancy, but the size of their belly and their body weight are still not too much of a problem in everyday life. Most women start feeling emotionally balanced again, and some develop a special energy and feel good in their body. At this point the child’s movements are usually quite noticeable.

During the final trimester, the child matures quickly, and gets bigger and heavier. Towards the end of the pregnancy, most women have problems associated with their growing belly, and everyday tasks gradually become more difficult. In the ninth month, the focus of pregnancy shifts to the upcoming birth – women may start feeling more excited about, but also more daunted by, what is about to happen.

Everyday life

Everyday life also changes over the course of a pregnancy: Preparing for the arrival of the new baby takes up quite a bit of time. Most pregnant women gradually start to need more and more time to do everyday tasks, and working women go on maternity leave towards the end of the pregnancy.

It is common for women to pay more attention to their health than they used to. This includes thinking about questions related to nutrition and exercise: What should I eat, and do I need to take dietary supplements? How much weight gain is still considered normal? Can I continue to do sports and, if so, what do I need to consider?

Because alcohol and nicotine can cause serious harm to the unborn child, the vast majority of women don't drink alcohol or smoke during pregnancy. Many women use a planned pregnancy as an occasion to give up smoking. Smoking during pregnancy increases the risk of things like miscarriage, preterm birth and low birth weight.

But it's not always easy for women who smoke to quit, and a lot of them will need help doing so. It's not clear whether nicotine replacement therapy is suitable for pregnant women. Other programs for quitting are probably just as effective.

Pregnancy-related problems

Some women feel fully healthy in pregnancy, and some feel even healthier than ever before. But many have typical problems associated with pregnancy. These tend to change over the months: Nausea is a common problem at the start. Later on, as more weight is gained, problems may include back pain, heartburn, water retention, varicose veins, having to go to the toilet a lot, or sleep problems.

Because these problems are often seen as being associated with a larger positive change, and they usually go away without treatment, most pregnant women cope well with them. And a number of things can be done to relieve pregnancy-related problems.

Illnesses

If women become seriously ill in pregnancy, they nearly always worry about their child as well. When it comes to taking medication, pregnant women do in fact need to be careful. This is also true when it comes to certain infectious diseases that might harm the child.

Some medical conditions, such as pre-eclampsia, only develop during pregnancy. Women who have gestational diabetes are more likely to develop pre-eclampsia. Some pregnant women who have a chronic condition like asthma or diabetes wonder whether they can continue to take their medication. The answer is yes, and it is usually even necessary to do so. For example, not getting enough oxygen during an asthma attack would be more dangerous for the baby than possible drug side effects.

Prenatal examinations

Nowadays, pregnant women receive a lot of medical care. Routine preventive examinations are used to check whether the child is developing normally and if the woman is healthy. In Germany, women who don't have any special risk factors are offered three ultrasound exams during pregnancy. More ultrasounds may be needed later on to look into any irregularities.

In addition to the ultrasound scans and blood tests, urine tests are also done. A test for gestational diabetes is offered, too. In Germany, special maternity guidelines (“Mutterschafts-Richtlinie”) determine what examinations and tests are to be done, and how.

Healthy pregnant women who aren't particularly at risk are often offered other examinations as well, such as prenatal diagnostics. But these aren't always necessary, and the consequences of some of these tests are often not clear. Oversimplifying a bit: In Germany, everything that is medically necessary is covered by statutory health insurers. People who would like to have “more” – like 3D ultrasound images or prenatal diagnostic tests – will need to pay for it themselves.

One of the screening tests offered to pregnant women in Germany is the HIV test (AIDS test). If a pregnant woman is infected, it is almost always possible to protect the child from infection as long as it is detected early enough.

Birth

Towards the end of pregnancy, most women want labor to finally start, but also have mixed feelings about the birth. Even though many women carefully prepare for it, nobody knows what it will actually be like. It's normal to feel at least a little daunted. The course a birth takes can only be planned to a certain degree – for example, how long it will take, how painful it will be, and whether there will be any complications. These things are only clear once the baby is there.

Nowadays there are a number of ways to relieve labor pain. If the pain becomes too bad, medication can help. Local anesthetics are the most effective medications. Some are also suitable if a Cesarean section needs to be performed. These substances don't harm the child.

If the due date has already passed, waiting for childbirth can become a real test of patience. Being one to two weeks late is usually no cause for concern, but after that the risk of health problems in the child increases somewhat. The birth is usually induced two weeks after the due date at the latest.

Children who are born long before their due date often need special care. If there is reason to believe that a baby will be born too early (preterm), the chances of a healthy start to their life can be improved, for example by using medication to help their lungs mature faster.

After the birth

Right after childbirth, tests are done to check on the baby’s general wellbeing and see whether everything is alright. This group of tests is called "U1" in Germany, and it includes checking the baby's heart sounds and pulse. Most babies are born healthy, though.

Within the first two days of the birth, babies who have statutory health insurance can have a "pulse oximetry" screening test free of charge. This test is used to detect serious, but rare, heart problems that can then be treated earlier.

After birth, the mother’s body recovers gradually. It takes a while for everything to heal and for the womb to return to normal. If all goes well, the first few weeks with the new baby can be a special, peaceful and happy time. Many fathers also plan a break from their work to get to know the newborn baby and help support their partner.

In Germany, statutory health insurers cover the costs of help and support from a midwife until the baby is two months old. During the first ten days following the birth, the midwife makes daily calls. A midwife’s advice and active support are a great help for many mothers and their families.

For some time after childbirth, a lot of women weigh more than they did before becoming pregnant. It usually takes about half a year to get back to their original weight. But even if that doesn't happen, the extra weight is usually only a health problem in women who became very overweight during pregnancy. Right after giving birth isn't a good time to try to lose weight. Combining changes in diet with a lot of exercise can help in the long term.

Despite all the joy they may feel about their new baby, the hormonal changes following childbirth – coupled with all the changes in everyday life – can take a real emotional toll on women: Happiness and stress often go hand in hand. Things can easily start to feel overwhelming if women don't get enough help. Some also get the “baby blues,” a short phase of severe mood swings and inexplicable sadness after giving birth. If this sadness lasts longer, it may be a sign of postnatal depression. Then help from outside might be needed.

Baby's first year

In a child's first year of life, a lot of attention is paid to making sure they are growing well and with no problems. One main topic is often food – breastfeeding or the right kind of formula milk in the first few months, and later which baby food. Babies put on weight very quickly, so they also need to eat a lot. But because their stomachs are not yet fully developed, lots of babies often spit up a little milk or food, which can be bothersome, but it's usually not a cause for concern.

Further information

A lot of information (in German) about pregnancy, childbirth, and the time afterwards can be found on the website of the German Federal Centre for Health Education (BZgA), Familienplanung.de. The section on pregnancy provides mothers and fathers with answers to many questions about the course of pregnancy, early childhood development, screening tests, childbirth and the time after birth.

Sources

  • Beckermann M, Perl FM. Frauen-Heilkunde und Geburts-Hilfe: Integration von Evidence Based Medicine in eine frauenzentrierte Gynäkologie. Basel: Schwabe; 2004.
  • Rath W, Gembruch U, Schmidt S (Ed). Geburtshilfe und Perinatologie: Pränataldiagnostik - Erkrankungen - Entbindung. Stuttgart: Thieme; 2010.
  • IQWiG health information is written with the aim of helping people understand the advantages and disadvantages of the main treatment options and health care services.

    Because IQWiG is a German institute, some of the information provided here is specific to the German health care system. The suitability of any of the described options in an individual case can be determined by talking to a doctor. We do not offer individual consultations.

    Our information is based on the results of good-quality studies. It is written by a team of health care professionals, scientists and editors, and reviewed by external experts. You can find a detailed description of how our health information is produced and updated in our methods.

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Source: PubMed Health, NIH